Cod sursa(job #1415424)

Utilizator Edwuard99Diaconescu Vlad Edwuard99 Data 4 aprilie 2015 16:01:31
Problema Loto Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.53 kb
#include <fstream>
#include <algorithm>
#include <iostream>
using namespace std;

ifstream f ("loto.in");
ofstream g ("loto.out");

int n,sum;


int v[1000],s[10000000];

bool cautbin(int x) {
    int prim=s[0],ultim=s[n-1],mij=s[(n-1)/2];
    while(s[mij]!=x&&(mij!=ultim || mij !=prim)){
        if(x<v[mij]){
            ultim=mij;
        }
        else{
            prim=mij;
        }
        mij=(prim+ultim)/2;
    }
    if(s[mij]==x)
        return true;
    else
        return false;
}

int main()
{
    f>>n>>sum;
    int x,i,j,k,i1,j1,k1,ns;

    for(i=0; i<n; i++){
        f>>v[i];
    }
    ns=0;
    for(i=0;i<n; i++){
        for(j=0; j<n; j++){
            for(k=0; k<n; k++){
                s[ns++]=v[i]+v[j]+v[k];
            }
        }
    }
    sort(s, s+ns);

    for(i=0;i<n; i++){
        for(j=0; j<n; j++){
            for(k=0; k<n; k++){
                int x = sum - v[i] - v[j] - v[k];
                if (cautbin(x) == true) {
                    for (i1 = 0; i1 < n; ++i1)
                        for (j1 = 0; j1 < n; ++j1)
                            for (k1 = 0; k1 < n; ++k1) {
                                if (v[i1] + v[j1] + v[k1] == x) {
                                    g << v[i] << " " << v[j] << " " << v[k] << " " << v[i1] << " " << v[j1] << " " << v[k1];
                                    return 0;
                                }
                            }
                }
            }
        }
    }
    g << "-1";

    return 0;
}